Original Style Victorian tiles + EUFH on to concrete - with no DPM incorporated

[Haakon]

Hi tilers - need some advice please:

1930s house - original floor construction was concrete slab onto earth, bitumen DPM then floorboards nailed to slab.

We've bought the tiles, Themonet EUFH, DPM IT One Coat, Level IT one HDB and Prime IT N, Proflex SP+ES on the advice of the local supplier.

However it appears that DPM IT is not suitable for UFH...

What are our options? Can we use a traditional DPM membrane (thick black plastic sheet stuff) under the SLC? Not sure it would be wise to attach EUFH to that?

Note we havent incorporated any insulation - the UFH was just to take the chill off the tiles - the room is otherwise heated by a radiator and gunning the concrete out isnt an option (its hard and we're living in the house).

Really need to incorporate the UFH elements in the SLC as the tiler needs a perfect level floor for the Original Style Victorian tiles.


Any advice gratefully received!

thanks
Haakon

[Haakon]

Are there any SLC products with DPM qualities built in that are suitable for electric UFH?

[peckers]

The way I would go for this type off floor is.
1 Arditex NA SLC two part suitable for use under a liquid dpm onto damp floors
2 Ardex dpm 2 coats required
3 Arditex NA SLC two part over the top off ardex dpm
4 Insulation board (so as you dont loose heat into the slab)
5 electric heating mat/cable
6 Arditex NA slc over the top
7 tile away
hope this helps.

[nybor62]

as all above the arditex na is a brilliant slc ive used it many times